Alternative to M391A1K43BB2-CTDQ: Better-Value Equivalents in Stock
Comparing the M391A1K43BB2-CTDQ (M391A1K43BB2-CTDQ - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module) against alternatives? Pro Disk Network stocks 12 similar Samsung parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the M391A1K43BB2-CTDQ
| SKU | M391A1K43BB2-CTDQ |
|---|---|
| Product | M391A1K43BB2-CTDQ - Samsung 8GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module |
| Current price | $184.21 |
| Stock status | In Stock |
| Detail page | View M391A1K43BB2-CTDQ › |
Alternatives to M391A1K43BB2-CTDQ
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
M474A2K43BB1-CTDQ - Samsung 16GB DDR4-2666MHz PC4-21300 ECC Unbuffered CL19 260-Pin SODIMM 1.2V Dual Rank Memory Module
SKU: M474A2K43BB1-CTDQ
Price: $235.07
M391A2K43BB1-CTDQ - Samsung 16GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Dual-Rank Memory Module
SKU: M391A2K43BB1-CTDQ
Price: $282.11
M391A4G43MB1-CTDQ - Samsung 32GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 UDIMM 1.2V Dual-Rank Memory Module
SKU: M391A4G43MB1-CTDQ
Price: $405.26
M474A4G43MB1-CTDQ - Samsung 32GB PC4-21300 DDR4-2666MHz ECC Unbuffered CL19 SoDIMM 1.2V Dual-Rank Memory Module
SKU: M474A4G43MB1-CTDQ
Price: $420.58
M471A1K43BB1-CTDD0 - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43BB1-CTDD0
Price: $135.17
M471A1K43CB1-CTDD0 - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43CB1-CTDD0
Price: $135.17
M471A1K43BB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43BB1-CTD
Price: $135.17
M471A1K43DB1-CTDDY - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 SoDIMM 1.2V Single-Rank Memory Module
SKU: M471A1K43DB1-CTDDY
Price: $135.17
M378A1K43CB2-CTDD0 - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M378A1K43CB2-CTDD0
Price: $136.88
M378A1K43BB2-CTD00 - Samsung 8GB DDR4-2666MHz PC4-21300 non-ECC Unbuffered CL19 288-Pin DIMM 1.2V Single Rank Memory Module
SKU: M378A1K43BB2-CTD00
Price: $136.88
M378A1K43BB2-CTD - Samsung 8GB DDR4-2666MHz PC4-21300 non-ECC Unbuffered CL19 288-Pin DIMM 1.2V Single Rank Memory Module
SKU: M378A1K43BB2-CTD
Price: $136.88
M378A1K43CB1-CTD - Samsung 8GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Single-Rank Memory Module
SKU: M378A1K43CB1-CTD
Price: $152.39
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.